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EP2723115A4 - Communication system, data relay apparatus, base station, mobile terminal, and communication method - Google Patents

Communication system, data relay apparatus, base station, mobile terminal, and communication method

Info

Publication number
EP2723115A4
EP2723115A4 EP11867779.8A EP11867779A EP2723115A4 EP 2723115 A4 EP2723115 A4 EP 2723115A4 EP 11867779 A EP11867779 A EP 11867779A EP 2723115 A4 EP2723115 A4 EP 2723115A4
Authority
EP
European Patent Office
Prior art keywords
base station
mobile terminal
relay apparatus
data relay
communication system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11867779.8A
Other languages
German (de)
French (fr)
Other versions
EP2723115A1 (en
Inventor
Masatsugu Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of EP2723115A1 publication Critical patent/EP2723115A1/en
Publication of EP2723115A4 publication Critical patent/EP2723115A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/34—Flow control; Congestion control ensuring sequence integrity, e.g. using sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H04W36/023—Buffering or recovering information during reselection
    • H04W36/0235—Buffering or recovering information during reselection by transmitting sequence numbers, e.g. SN status transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0097—Relays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
EP11867779.8A 2011-06-17 2011-06-17 Communication system, data relay apparatus, base station, mobile terminal, and communication method Withdrawn EP2723115A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/063961 WO2012172689A1 (en) 2011-06-17 2011-06-17 Communication system, data relay apparatus, base station, mobile terminal, and communication method

Publications (2)

Publication Number Publication Date
EP2723115A1 EP2723115A1 (en) 2014-04-23
EP2723115A4 true EP2723115A4 (en) 2015-07-01

Family

ID=47356715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11867779.8A Withdrawn EP2723115A4 (en) 2011-06-17 2011-06-17 Communication system, data relay apparatus, base station, mobile terminal, and communication method

Country Status (6)

Country Link
US (1) US9313705B2 (en)
EP (1) EP2723115A4 (en)
JP (1) JP5892163B2 (en)
KR (1) KR101613310B1 (en)
CN (1) CN103609158B (en)
WO (1) WO2012172689A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5806742B2 (en) 2012-01-19 2015-11-10 京セラ株式会社 Mobile communication system, base station, CoMP control apparatus, and communication control method
JP6259578B2 (en) * 2013-03-25 2018-01-10 株式会社Ｎｔｔドコモ Mobile communication method
CN104244349B (en) * 2013-06-18 2021-06-15 索尼公司 Communication apparatus and communication method
CN104378777B (en) * 2013-08-13 2020-12-22 索尼公司 User equipment, base station equipment, communication equipment and method in wireless communication system
US9991997B2 (en) 2014-02-21 2018-06-05 Kyocera Corporation Mobile communication system, specific base station, and user terminal
US10841833B2 (en) * 2016-10-12 2020-11-17 Qualcomm Incorporated Streamlined user plane headers for high data rates
CN112543425B (en) * 2019-09-20 2022-04-29 华为技术有限公司 Communication method and device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2178335A1 (en) * 2007-08-09 2010-04-21 Fujitsu Limited Handover method in radio communication system, radio base station, and radio terminal

Family Cites Families (17)

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SE509836C2 (en) * 1997-06-13 1999-03-15 Ericsson Telefon Ab L M Procedure and arrangement in a radio communication system
FI106494B (en) * 1998-11-05 2001-02-15 Nokia Networks Oy Ramsynkroniseringsmekanism
JP3545682B2 (en) * 2000-07-04 2004-07-21 松下電器産業株式会社 High-speed packet transmission system
US6882677B2 (en) * 2001-02-28 2005-04-19 Motorola, Inc. Method and apparatus for facilitating handoff in a wireless local area network
WO2003017689A1 (en) * 2001-08-14 2003-02-27 Flarion Technologies, Inc. Method and apparatus for wireless network connectivity
CN100459540C (en) * 2003-03-04 2009-02-04 西门子公司 Method and wirelessly connectable communications device for packet-oriented data transmission
DE10314466A1 (en) * 2003-03-28 2004-10-14 Basf Ag Process for the preparation of condensed resins in powder form
JP4705814B2 (en) * 2005-07-08 2011-06-22 株式会社日立製作所 Synchronous delivery method
CN101283526B (en) * 2005-10-07 2015-09-09 日本电气株式会社 MIMO wireless communication system and method used by mobile station and multiple base stations
US20070110015A1 (en) * 2005-10-19 2007-05-17 Telefonaktiebolaget Lm Ericsson (Publ) Select diversity for radio communications
EP2001246A2 (en) * 2006-03-28 2008-12-10 NTT DoCoMo, Inc. Base station, route control device, and handover control method
JP5140975B2 (en) 2006-09-14 2013-02-13 富士通株式会社 Mobile communication system and communication method thereof
EP2068503B1 (en) 2006-10-04 2014-05-21 Fujitsu Limited Data transfer method
JP4801743B2 (en) * 2006-12-22 2011-10-26 富士通株式会社 Transmitting station, relay station and relay method
KR101182553B1 (en) * 2007-04-26 2012-09-12 후지쯔 가부시끼가이샤 Base station, mobile station and reordering method
US8477719B2 (en) * 2007-10-01 2013-07-02 Qualcomm Incorporated Systems and methods for in-order delivery in downlink during handover
JP5157652B2 (en) * 2008-06-03 2013-03-06 富士通株式会社 Mobile communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2178335A1 (en) * 2007-08-09 2010-04-21 Fujitsu Limited Handover method in radio communication system, radio base station, and radio terminal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FUJITSU: "Semi-continuous PDCP SN Approach", 3GPP DRAFT; R2-074424 SEMI-CONTINUOUS PDCP SN APPROACH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Shanghai, China; 20071002, 2 October 2007 (2007-10-02), XP050136985 *
See also references of WO2012172689A1 *

Also Published As

Publication number Publication date
US20140094179A1 (en) 2014-04-03
JPWO2012172689A1 (en) 2015-02-23
US9313705B2 (en) 2016-04-12
KR20140016373A (en) 2014-02-07
CN103609158B (en) 2017-05-24
WO2012172689A1 (en) 2012-12-20
EP2723115A1 (en) 2014-04-23
JP5892163B2 (en) 2016-03-23
CN103609158A (en) 2014-02-26
KR101613310B1 (en) 2016-04-19

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